diff options
Diffstat (limited to 'drivers/infiniband/hw/efa/efa_main.c')
| -rw-r--r-- | drivers/infiniband/hw/efa/efa_main.c | 52 |
1 files changed, 51 insertions, 1 deletions
diff --git a/drivers/infiniband/hw/efa/efa_main.c b/drivers/infiniband/hw/efa/efa_main.c index faf3ff1bca2a..82145574c928 100644 --- a/drivers/infiniband/hw/efa/efa_main.c +++ b/drivers/infiniband/hw/efa/efa_main.c @@ -1,10 +1,12 @@ // SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause /* - * Copyright 2018-2019 Amazon.com, Inc. or its affiliates. All rights reserved. + * Copyright 2018-2020 Amazon.com, Inc. or its affiliates. All rights reserved. */ #include <linux/module.h> #include <linux/pci.h> +#include <linux/utsname.h> +#include <linux/version.h> #include <rdma/ib_user_verbs.h> @@ -187,6 +189,52 @@ static void efa_stats_init(struct efa_dev *dev) atomic64_set(s, 0); } +static void efa_set_host_info(struct efa_dev *dev) +{ + struct efa_admin_set_feature_resp resp = {}; + struct efa_admin_set_feature_cmd cmd = {}; + struct efa_admin_host_info *hinf; + u32 bufsz = sizeof(*hinf); + dma_addr_t hinf_dma; + + if (!efa_com_check_supported_feature_id(&dev->edev, + EFA_ADMIN_HOST_INFO)) + return; + + /* Failures in host info set shall not disturb probe */ + hinf = dma_alloc_coherent(&dev->pdev->dev, bufsz, &hinf_dma, + GFP_KERNEL); + if (!hinf) + return; + + strlcpy(hinf->os_dist_str, utsname()->release, + min(sizeof(hinf->os_dist_str), sizeof(utsname()->release))); + hinf->os_type = EFA_ADMIN_OS_LINUX; + strlcpy(hinf->kernel_ver_str, utsname()->version, + min(sizeof(hinf->kernel_ver_str), sizeof(utsname()->version))); + hinf->kernel_ver = LINUX_VERSION_CODE; + EFA_SET(&hinf->driver_ver, EFA_ADMIN_HOST_INFO_DRIVER_MAJOR, 0); + EFA_SET(&hinf->driver_ver, EFA_ADMIN_HOST_INFO_DRIVER_MINOR, 0); + EFA_SET(&hinf->driver_ver, EFA_ADMIN_HOST_INFO_DRIVER_SUB_MINOR, 0); + EFA_SET(&hinf->driver_ver, EFA_ADMIN_HOST_INFO_DRIVER_MODULE_TYPE, 0); + EFA_SET(&hinf->bdf, EFA_ADMIN_HOST_INFO_BUS, dev->pdev->bus->number); + EFA_SET(&hinf->bdf, EFA_ADMIN_HOST_INFO_DEVICE, + PCI_SLOT(dev->pdev->devfn)); + EFA_SET(&hinf->bdf, EFA_ADMIN_HOST_INFO_FUNCTION, + PCI_FUNC(dev->pdev->devfn)); + EFA_SET(&hinf->spec_ver, EFA_ADMIN_HOST_INFO_SPEC_MAJOR, + EFA_COMMON_SPEC_VERSION_MAJOR); + EFA_SET(&hinf->spec_ver, EFA_ADMIN_HOST_INFO_SPEC_MINOR, + EFA_COMMON_SPEC_VERSION_MINOR); + EFA_SET(&hinf->flags, EFA_ADMIN_HOST_INFO_INTREE, 1); + EFA_SET(&hinf->flags, EFA_ADMIN_HOST_INFO_GDR, 0); + + efa_com_set_feature_ex(&dev->edev, &resp, &cmd, EFA_ADMIN_HOST_INFO, + hinf_dma, bufsz); + + dma_free_coherent(&dev->pdev->dev, bufsz, hinf, hinf_dma); +} + static const struct ib_device_ops efa_dev_ops = { .owner = THIS_MODULE, .driver_id = RDMA_DRIVER_EFA, @@ -251,6 +299,8 @@ static int efa_ib_device_add(struct efa_dev *dev) if (err) goto err_release_doorbell_bar; + efa_set_host_info(dev); + dev->ibdev.node_type = RDMA_NODE_UNSPECIFIED; dev->ibdev.phys_port_cnt = 1; dev->ibdev.num_comp_vectors = 1; |